The invention discloses a movable and adjusting cleaning machine. The movable and adjusting cleaning machine comprises a bottom plate, a mobile assembly, a height adjusting assembly and a cleaning assembly. A pair of supporting plates are arranged on the two long side sides of a floor. The pair of supporting plates, located at one side of the bottom plate, are provided with a pair of screw nut mechanisms of the mobile assembly. Motor shafts of a pair of servo motors are connected with corresponding screw rods. The height adjusting assembly comprises a fixing plate, a lifting oil cylinder and an installation plate. The fixing plate is fixedly connected with the pair of screw nut mechanisms. The lifting oil cylinder is arranged on the top face of the fixing plate. A mounting plate is horizontally and fixedly arranged on the top end of an extensible rod of the lifting oil cylinder. The cleaning assembly includes a pair of mounting frames, a motor and a cleaning brush. A pair of mounting frames which are opposite with each other are correspondingly arranged at both ends of the top face of the mounting plate. The mounting frames are in an inverted-U shape. The motor is placed at the topof a pair of longitudinal plates. The middle portion of the cleaning brush is provided with a rotating shaft. The rotating shaft is connected with a motor shaft of the motor by a same shaft. The movable and adjusting cleaning machine has high automation and convenient and quick use, and is capable of meeting the requirements of people.